<template>
  <div class="app-container">
    <el-form :model="queryParams" ref="queryForm" size="small" :inline="true" v-show="showSearch" label-width="68px">
      <el-form-item label="商品编码" prop="productCode">
        <el-input
          v-model="queryParams.productCode"
          placeholder="请输入商品编码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="商品名称" prop="productNameCn">
        <el-input
          v-model="queryParams.productNameCn"
          placeholder="请输入商品名称"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="HS编码" prop="hsCode">
        <el-input
          v-model="queryParams.hsCode"
          placeholder="请输入HS编码"
          clearable
          @keyup.enter.native="handleQuery"
        />
      </el-form-item>
      <el-form-item label="退税率" prop="taxRebateRate">
        <el-input
          v-model="queryParams.taxRebateRate"
          placeholder="请输入退税率"
          clearable
          @keyup.enter.native="handleQuery"
        />
        <!-- <el-input-number
          v-model="queryParams.taxRebateRate"
          placeholder="请输入退税率"
          :precision="2"
          :step="0.01"
          :min="0"
          :max="100"
          clearable
        /> -->
      </el-form-item>
      <el-form-item label="状态" prop="status">
        <el-select v-model="queryParams.status" placeholder="商品状态" clearable>
          <el-option
            v-for="dict in dict.type.sys_normal_disable"
            :key="dict.value"
            :label="dict.label"
            :value="dict.value"
          />
        </el-select>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" icon="el-icon-search" size="mini" @click="handleQuery">搜索</el-button>
        <el-button icon="el-icon-refresh" size="mini" @click="resetQuery">重置</el-button>
      </el-form-item>
    </el-form>

    <el-row :gutter="10" class="mb8">
      <el-col :span="1.5">
        <el-button
          type="primary"
          plain
          icon="el-icon-plus"
          size="mini"
          @click="handleAdd"
          v-hasPermi="['fiscale:product:add']"
        >新增商品</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="success"
          plain
          icon="el-icon-edit"
          size="mini"
          :disabled="single"
          @click="handleUpdate"
          v-hasPermi="['fiscale:product:edit']"
        >修改</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="danger"
          plain
          icon="el-icon-delete"
          size="mini"
          :disabled="multiple"
          @click="handleDelete"
          v-hasPermi="['fiscale:product:remove']"
        >删除</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="warning"
          plain
          icon="el-icon-download"
          size="mini"
          @click="handleExport"
          v-hasPermi="['fiscale:product:export']"
        >导出</el-button>
      </el-col>
      <el-col :span="1.5">
        <el-button
          type="info"
          plain
          icon="el-icon-upload2"
          size="mini"
          @click="handleImport"
          v-hasPermi="['fiscale:product:import']"
        >批量导入</el-button>
      </el-col>
      <right-toolbar :showSearch.sync="showSearch" @queryTable="getList"></right-toolbar>
    </el-row>

    <el-table v-loading="loading" :data="productList" @selection-change="handleSelectionChange">
      <el-table-column type="selection" width="55" align="center" />
      <el-table-column label="商品ID" align="center" prop="productId" />
      <el-table-column label="商品编码" align="center" prop="productCode" />
      <el-table-column label="商品名称(中文)" align="center" prop="productNameCn" :show-overflow-tooltip="true" />
      <el-table-column label="商品名称(英文)" align="center" prop="productNameEn" :show-overflow-tooltip="true" />
      <el-table-column label="HS编码" align="center" prop="hsCode" />
      <el-table-column label="退税率(%)" align="center" prop="taxRebateRate" />
      <el-table-column label="计量单位" align="center" prop="unit" />
      <el-table-column label="状态" align="center" prop="status">
        <template slot-scope="scope">
          <dict-tag :options="dict.type.sys_normal_disable" :value="scope.row.status"/>
        </template>
      </el-table-column>
      <el-table-column label="操作" align="center" class-name="small-padding fixed-width">
        <template slot-scope="scope">
          <el-button
            size="mini"
            type="text"
            icon="el-icon-edit"
            @click="handleUpdate(scope.row)"
            v-hasPermi="['fiscale:product:edit']"
          >编辑</el-button>
          <el-button
            size="mini"
            type="text"
            icon="el-icon-delete"
            @click="handleDelete(scope.row)"
            v-hasPermi="['fiscale:product:remove']"
          >删除</el-button>
        </template>
      </el-table-column>
    </el-table>
    
    <pagination
      v-show="total>0"
      :total="total"
      :page.sync="queryParams.pageNum"
      :limit.sync="queryParams.pageSize"
      @pagination="getList"
    />

    <!-- 添加或修改智能商品库对话框 -->
    <el-dialog :title="title" :visible.sync="open" width="700px" append-to-body>
      <el-form ref="form" :model="form" :rules="rules" label-width="120px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="商品编码" prop="productCode">
              <el-input v-model="form.productCode" placeholder="请输入商品编码" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="状态" prop="status">
              <el-radio-group v-model="form.status">
                <el-radio
                  v-for="dict in dict.type.sys_normal_disable"
                  :key="dict.value"
                  :label="dict.value"
                >{{dict.label}}</el-radio>
              </el-radio-group>
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="商品名称(中文)" prop="productNameCn">
              <el-input v-model="form.productNameCn" placeholder="请输入商品名称(中文)" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="商品名称(英文)" prop="productNameEn">
              <el-input v-model="form.productNameEn" placeholder="请输入商品名称(英文)" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="HS编码" prop="hsCode">
              <el-input v-model="form.hsCode" placeholder="请输入HS编码" @blur="handleHsCodeBlur" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="退税率(%)" prop="taxRebateRate">
              <el-input-number v-model="form.taxRebateRate" :precision="2" :step="0.01" :min="0" :max="100" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-row>
          <el-col :span="12">
            <el-form-item label="计量单位" prop="unit">
              <el-input v-model="form.unit" placeholder="请输入计量单位" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="规格型号" prop="specification">
              <el-input v-model="form.specification" placeholder="请输入规格型号" />
            </el-form-item>
          </el-col>
        </el-row>
        <el-form-item label="申报要素" prop="declarationElements">
          <el-input v-model="form.declarationElements" type="textarea" placeholder="请输入申报要素" />
        </el-form-item>
        <el-form-item label="备注" prop="remark">
          <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="submitForm">确 定</el-button>
        <el-button @click="cancel">取 消</el-button>
      </div>
    </el-dialog>

    <!-- 导入对话框 -->
    <el-dialog :title="upload.title" :visible.sync="upload.open" width="400px" append-to-body>
      <el-upload
        ref="upload"
        :limit="1"
        accept=".xlsx, .xls"
        :headers="upload.headers"
        :action="upload.url + '?updateSupport=' + upload.updateSupport"
        :disabled="upload.isUploading"
        :on-progress="handleFileUploadProgress"
        :on-success="handleFileSuccess"
        :auto-upload="false"
        drag
      >
        <i class="el-icon-upload"></i>
        <div class="el-upload__text">将文件拖到此处，或<em>点击上传</em></div>
        <div class="el-upload__tip text-center" slot="tip">
          <span>仅允许导入xls、xlsx格式文件。</span>
          <el-link type="primary" :underline="false" style="font-size:12px;vertical-align: baseline;" @click="importTemplate">下载模板</el-link>
        </div>
      </el-upload>
      <div slot="footer" class="dialog-footer">
        <el-checkbox v-model="upload.updateSupport" />更新已存在数据
        <el-button type="primary" @click="submitFileForm">确 定</el-button>
        <el-button @click="upload.open = false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { listProduct, getProduct, delProduct, addProduct, updateProduct, exportProduct, importTemplate } from "@/api/fiscale/product";
import { getToken } from "@/utils/auth";

export default {
  name: "Product",
  dicts: ['sys_normal_disable'],
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      // 显示搜索条件
      showSearch: true,
      // 总条数
      total: 0,
      // 智能商品库表格数据
      productList: [],
      // 弹出层标题
      title: "",
      // 是否显示弹出层
      open: false,
      // 查询参数
      queryParams: {
        pageNum: 1,
        pageSize: 10,
        productCode: null,
        productNameCn: null,
        hsCode: null,
        taxRebateRate: null,
        status: null
      },
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        productCode: [
          { required: true, message: "商品编码不能为空", trigger: "blur" }
        ],
        productNameCn: [
          { required: true, message: "商品名称(中文)不能为空", trigger: "blur" }
        ],
        hsCode: [
          { required: true, message: "HS编码不能为空", trigger: "blur" }
        ]
      },
      // 上传参数
      upload: {
        // 是否显示弹出层
        open: false,
        // 弹出层标题
        title: "",
        // 是否禁用上传
        isUploading: false,
        // 是否更新已存在数据
        updateSupport: 0,
        // 设置上传的请求头部
        headers: { Authorization: "Bearer " + getToken() },
        // 上传的地址
        url: process.env.VUE_APP_BASE_API + "/fiscale/product/importData"
      }
    };
  },
  created() {
    this.getList();
  },
  methods: {
    /** 查询智能商品库列表 */
    getList() {
      this.loading = true;
      listProduct(this.queryParams).then(response => {
        this.productList = response.rows;
        this.total = response.total;
        this.loading = false;
      });
    },
    // 取消按钮
    cancel() {
      this.open = false;
      this.reset();
    },
    // 表单重置
    reset() {
      this.form = {
        productId: null,
        productCode: null,
        productNameCn: null,
        productNameEn: null,
        hsCode: null,
        declarationElements: null,
        taxRebateRate: null,
        unit: null,
        specification: null,
        status: "0",
        remark: null
      };
      this.resetForm("form");
    },
    /** 搜索按钮操作 */
    handleQuery() {
      this.queryParams.pageNum = 1;
      this.getList();
    },
    /** 重置按钮操作 */
    resetQuery() {
      this.resetForm("queryForm");
      this.handleQuery();
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.productId);
      this.single = selection.length !== 1;
      this.multiple = !selection.length;
    },
    /** 新增按钮操作 */
    handleAdd() {
      this.reset();
      this.open = true;
      this.title = "添加智能商品库";
    },
    /** 修改按钮操作 */
    handleUpdate(row) {
      this.reset();
      const productId = row.productId || this.ids[0];
      getProduct(productId).then(response => {
        this.form = response.data;
        this.open = true;
        this.title = "修改智能商品库";
      });
    },
    /** 提交按钮 */
    submitForm() {
      this.$refs["form"].validate(valid => {
        if (valid) {
          if (this.form.productId != null) {
            updateProduct(this.form).then(response => {
              this.$modal.msgSuccess("修改成功");
              this.open = false;
              this.getList();
            });
          } else {
            addProduct(this.form).then(response => {
              this.$modal.msgSuccess("新增成功");
              this.open = false;
              this.getList();
            });
          }
        }
      });
    },
    /** 删除按钮操作 */
    handleDelete(row) {
      const productIds = row.productId || this.ids;
      this.$modal.confirm('是否确认删除智能商品库编号为"' + productIds + '"的数据项？此操作不可逆。').then(function() {
        return delProduct(productIds);
      }).then(() => {
        this.getList();
        this.$modal.msgSuccess("删除成功");
      }).catch(() => {});
    },
    /** 导出按钮操作 */
    handleExport() {
      this.$confirm('是否确认导出所有智能商品库数据项?', "警告", {
        confirmButtonText: "确定",
        cancelButtonText: "取消",
        type: "warning"
      }).then(() => {
        this.loading = true;
        // 使用POST方法导出，与后端保持一致
        this.download('/fiscale/product/export', {
          ...this.queryParams
        }, `智能商品库数据_${new Date().getTime()}.xlsx`).finally(() => {
          this.loading = false;
        });
      }).catch(() => {});
    },
    /** 导入按钮操作 */
    handleImport() {
      this.upload.title = "智能商品库数据导入";
      this.upload.open = true;
    },
    /** 下载模板操作 */
    importTemplate() {
      this.loading = true;
      this.download('/fiscale/product/importTemplate', {}, `智能商品库数据模板_${new Date().getTime()}.xlsx`).finally(() => {
        this.loading = false;
      });
    },
    // 文件上传中处理
    handleFileUploadProgress(event, file, fileList) {
      this.upload.isUploading = true;
    },
    // 文件上传成功处理
    handleFileSuccess(response, file, fileList) {
      this.upload.open = false;
      this.upload.isUploading = false;
      this.$refs.upload.clearFiles();
      this.$alert(response.msg, "导入结果", { dangerouslyUseHTMLString: true });
      this.getList();
    },
    // 提交上传文件
    submitFileForm() {
      this.$refs.upload.submit();
    },
    // HS编码失去焦点时的处理
    handleHsCodeBlur() {
      // 这里可以实现HS编码查询API，自动填充相关字段
      // 例如根据HS编码查询退税率、申报要素等
      if (this.form.hsCode && this.form.hsCode.length >= 8) {
        // 模拟API调用，实际项目中应该调用真实API
        setTimeout(() => {
          // 模拟数据，实际应从API获取
          if (this.form.hsCode.startsWith('8471')) {
            this.form.declarationElements = '品牌类型、型号、CPU型号、内存容量、硬盘容量、屏幕尺寸';
            this.form.taxRebateRate = 13;
          } else if (this.form.hsCode.startsWith('8517')) {
            this.form.declarationElements = '品牌、型号、内存容量、屏幕尺寸';
            this.form.taxRebateRate = 13;
          }
        }, 300);
      }
    }
  }
};
</script>